Sulfomethylated bisphenol-formaldehyde condensation products used as dye resists for polyurethane and synthetic polyamide fibers
United States Patent 3322488
Inventors:
Feeman, James F.
Publication Date:
05/30/1967
Assignee:
CROMPTON & KNOWLES CORP
Other Classes:
8/929, 8/94.240, 8/530, 8/924, 8/127.600, 8/926, 8/531
International Classes:
D06P3/60; D06P3/82; D06P3/58
US Patent References:
| 3029212 | Synthetic tanning agent and process for preparing same | | | |
| 3065039 | Sulfo-methylated phenol-formaldehyde tanning agents | | | |